INSTALLATION: Just point this installer to your GSC install folder, overwriting files if prompted.

Main changelog from v1.60:

[General]
Added support for G27 LEDs;
Fixed bug that could cause Game to freeze in multiplayer when going from qualifying to race;
Fixed bug that could cause game to freeze at the end of the track loading screen;
Fixed warm-up functionality in multiplayer (even though the real Stock Car series dont run a sunday warmup);
Updated D3D9.dll do minimize issues with some OSD display tools (such as FRAPs);
Added in-game support for custom skins (in showroom menu);
Fixed some UI glitches;
Added support for 3rd Spring settings in Garage 2 (for future add-on cars);
Added series selection option in main menu (for future add-on cars);